9x-20+9x+7=8x+28+4x-5

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Solution for 9x-20+9x+7=8x+28+4x-5 equation:


Simplifying
9x + -20 + 9x + 7 = 8x + 28 + 4x + -5

Reorder the terms:
-20 + 7 + 9x + 9x = 8x + 28 + 4x + -5

Combine like terms: -20 + 7 = -13
-13 + 9x + 9x = 8x + 28 + 4x + -5

Combine like terms: 9x + 9x = 18x
-13 + 18x = 8x + 28 + 4x + -5

Reorder the terms:
-13 + 18x = 28 + -5 + 8x + 4x

Combine like terms: 28 + -5 = 23
-13 + 18x = 23 + 8x + 4x

Combine like terms: 8x + 4x = 12x
-13 + 18x = 23 + 12x

Solving
-13 + 18x = 23 + 12x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-12x' to each side of the equation.
-13 + 18x + -12x = 23 + 12x + -12x

Combine like terms: 18x + -12x = 6x
-13 + 6x = 23 + 12x + -12x

Combine like terms: 12x + -12x = 0
-13 + 6x = 23 + 0
-13 + 6x = 23

Add '13' to each side of the equation.
-13 + 13 + 6x = 23 + 13

Combine like terms: -13 + 13 = 0
0 + 6x = 23 + 13
6x = 23 + 13

Combine like terms: 23 + 13 = 36
6x = 36

Divide each side by '6'.
x = 6

Simplifying
x = 6

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